1#ifndef _ASM_GENERIC_CPUTIME_H 2#define _ASM_GENERIC_CPUTIME_H 3 4#include <linux/time.h> 5#include <linux/jiffies.h> 6 7typedef unsigned long cputime_t; 8 9#define cputime_zero (0UL) 10#define cputime_one_jiffy jiffies_to_cputime(1) 11#define cputime_max ((~0UL >> 1) - 1) 12#define cputime_add(__a, __b) ((__a) + (__b)) 13#define cputime_sub(__a, __b) ((__a) - (__b)) 14#define cputime_div(__a, __n) ((__a) / (__n)) 15#define cputime_halve(__a) ((__a) >> 1) 16#define cputime_eq(__a, __b) ((__a) == (__b)) 17#define cputime_gt(__a, __b) ((__a) > (__b)) 18#define cputime_ge(__a, __b) ((__a) >= (__b)) 19#define cputime_lt(__a, __b) ((__a) < (__b)) 20#define cputime_le(__a, __b) ((__a) <= (__b)) 21#define cputime_to_jiffies(__ct) (__ct) 22#define cputime_to_scaled(__ct) (__ct) 23#define jiffies_to_cputime(__hz) (__hz) 24 25typedef u64 cputime64_t; 26 27#define cputime64_zero (0ULL) 28#define cputime64_add(__a, __b) ((__a) + (__b)) 29#define cputime64_sub(__a, __b) ((__a) - (__b)) 30#define cputime64_to_jiffies64(__ct) (__ct) 31#define jiffies64_to_cputime64(__jif) (__jif) 32#define cputime_to_cputime64(__ct) ((u64) __ct) 33 34 35/* 36 * Convert cputime to milliseconds and back. 37 */ 38#define cputime_to_msecs(__ct) jiffies_to_msecs(__ct) 39#define msecs_to_cputime(__msecs) msecs_to_jiffies(__msecs) 40 41/* 42 * Convert cputime to seconds and back. 43 */ 44#define cputime_to_secs(jif) ((jif) / HZ) 45#define secs_to_cputime(sec) ((sec) * HZ) 46 47/* 48 * Convert cputime to timespec and back. 49 */ 50#define timespec_to_cputime(__val) timespec_to_jiffies(__val) 51#define cputime_to_timespec(__ct,__val) jiffies_to_timespec(__ct,__val) 52 53/* 54 * Convert cputime to timeval and back. 55 */ 56#define timeval_to_cputime(__val) timeval_to_jiffies(__val) 57#define cputime_to_timeval(__ct,__val) jiffies_to_timeval(__ct,__val) 58 59/* 60 * Convert cputime to clock and back. 61 */ 62#define cputime_to_clock_t(__ct) jiffies_to_clock_t(__ct) 63#define clock_t_to_cputime(__x) clock_t_to_jiffies(__x) 64 65/* 66 * Convert cputime64 to clock. 67 */ 68#define cputime64_to_clock_t(__ct) jiffies_64_to_clock_t(__ct) 69 70#endif 71